package com.bjsxt.config.resource;

import cn.hutool.core.io.resource.ClassPathResource;
import com.alicp.jetcache.anno.config.EnableMethodCache;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
import org.springframework.util.FileCopyUtils;

import java.io.IOException;

@EnableResourceServer
@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class ResourceServerConfig extends ResourceServerConfigurerAdapter {

    @Override
    public void configure(HttpSecurity http) throws Exception {
        http.csrf().disable()
                .sessionManagement().disable()
                .authorizeRequests().antMatchers("/login",
                "/users/setPassword",
                "/users/register",
                "/sms/sendTo",
                "/login",
                "/gt/register",
                "/v2/api-docs",
                "/swagger-resources/configuration/ui",//用来获取支持的动作
                "/swagger-resources",//用来获取api-docs的URI
                "/swagger-resources/configuration/security",//安全选项
                "/webjars/**",
                "/swagger-ui.html"
        ).permitAll()
                .antMatchers("/**").authenticated()
                .and().headers().cacheControl();
    }

    @Override
    public void configure(ResourceServerSecurityConfigurer resources) throws Exception {
        resources.tokenStore(jwtTokenStore());
    }
    private TokenStore jwtTokenStore() throws IOException {
        JwtTokenStore jwtTokenStore = new JwtTokenStore(accessTokenConverter());
        return jwtTokenStore;
    }

    @Bean
    public JwtAccessTokenConverter accessTokenConverter() throws IOException {
        //resource 验证token（公钥）  authorization 产生 token(私钥)
        JwtAccessTokenConverter tokenConverter = new JwtAccessTokenConverter();
        ClassPathResource classPathResource = new ClassPathResource("coinexchange.txt");
         byte[] bytes = FileCopyUtils.copyToByteArray(classPathResource.getStream());
         String s = new String(bytes,"UTF-8");


        tokenConverter.setVerifierKey(s);
        return  tokenConverter;
    }



}
